Questions Asked on
May 25, 2010

  1. Chem Help

    What is the heat of reaction when 4 moles of carbon monnozide are buened in oxygen?

    asked by Anonymous
  2. History

    - The ways in which states around the globe have related to each other during various periods and the issues that have shaped their interactions. I need 4 specific events, at t 1 of which must come from the period prior to 1700, t one must come from

    asked by S
  3. algebra 2

    Eleven people are entered in a race. If there are no ties, in how many ways can the first two places come out?

    asked by Anonymous
  4. consumer math

    Tina earns $14,500 per year. If she has 20% withheld for deductions, what is the net amount of her biweekly paycheck? a. $2,900 b. $669.23 c. $111.54 d. $446.15

    asked by peaches
  5. Math

    Unscramble A N I L T O R V P S R P I N R O O T O G I F L A O T R N L O N V I G S E I C N A T S D

    asked by Cindy
  6. Alg: Please Help

    Mr. and Mrs. Sawyer bought a condonminium for $75,000. Assuming that it value will appreciate 6% a year, how much will the condo be worth iin five years when the Sawyers are ready to move? Steps please.

    asked by Anonymous
  7. Calculus

    A force of 70 N acts at an angle of 40 degrees to the horizontal and a force of 125 N acts at an angle of 65 degrees to the horizontal. Calculate the magnitude and direction of the resultant and the equilibrant.

    asked by Anonymous
  8. Calculus

    Resolve the vector v=[7,9] into rectangular components, one of which is in the direction of u=[6,2].

    asked by Ariza
  9. macroeconomics

    When the market price is above equilibrium price, the market price will be drive

    asked by Anonymous
  10. economics

    When the market price is above equilibrium price, the market price will be drive

    asked by Anonymous
  11. economics

    When demand falls and supply remains the same, equilibrium price _______ and equilibrium quantity ________. A) falls, falls B) rises, rises C) falls, rises D) rises, falls

    asked by Anonymous
  12. Alg

    AM frequencies of radio transmissions range from 535-1705 kilohertz. Assume they are an exponential function. Write an equation for the AM frequencies along a display that is 15 cm long.

    asked by Anonymous
  13. algebra 2

    A rental car agency charges $13 per day plus 12 cents per mile to rent a certain car. Another agency charges $18 per day plus 8 cents per mile to rent the same car. How many miles per day will have to be driven for the cost of a car form the second agency?

    asked by Anonymous
  14. algebra 2

    you own 9 sweaters and are taking 3 on vacation. In how many ways can you choose 3 sweaters from the 9?

    asked by Anonymous
  15. biology

    A rare allele may become common in the gene pool of a small population after only a few generations by the process of________________.?

    asked by Taylor PLEASE URGENT!!!
  16. Math Analysis

    Can someone help me with this problem, please? Thanks!! "A ship leaves port and sails for 2 hours northeast and then 3 hours northwest. If the speed remains constant, what course should the ship take home?"

    asked by Emily
  17. Math

    4y^2-y^2/y-2x x^2-4/X^2+3x+2 could someone help me. Please I must turn this in tongiht.

    asked by JohnJ
  18. math

    4y^2-y^2/y-2x

    asked by JohnJ
  19. Calculus

    A box is dragged with a force of 115 N up a ramp a distance of 3 m. If the force makes an angle of 35 degrees with the ramp and the ramp makes an angle of 20 degrees with the ground, how much work is done?

    asked by Anonymous
  20. Physics

    What is the acceleration of the upper block? The coefficient of kinetic friction between the lower block and upper block is 0.0005. The coefficient of kinetic friction between lower block and floor is 0.0001. Upper block is 1kg, lower block is 2kg, and

    asked by Doug
  21. PHYSICS

    A train starts from rest and accelerates uniformly, until it has traveled 3 km and acquired a velocity of 20 m/s The train then moves at a constant velocity of 20 for 400 s. The train then slows down uniformly at 0.065 m/s2 until it is brought to a halt.

    asked by CHLOE
  22. MATH ANALYSIS

    How do you simplify these questions?: 1. cos^2(x/2)-sin^2(x/2) 2. 2cos^2(3A)-1 3. sin 2x/1+cos2x I think number 3 is tan 2x? The other two I don't know. Thanks for the help

    asked by anonymous
  23. College Chemistry

    For my homework I got this problem that my professor never went over in class how to do it and I don't know how to interpret it. A chemist runs a second order reaction of A->B starting at 10mili moles/L concentration of A (and no B). After one hour the

    asked by Sarah
  24. Algebra 2

    Susan keeps track of the number of tickets sold for each play presented at The Community Theater. Within how many standard deviations of the mean do all the values fall? 137, 134, 91, 61, 150, 155, 110, 148, 90, 169, 67, 61 * 5 * 4 * 2 * 3

    asked by Skye
  25. Chemistry

    Describe how you would prepare 500 mL of a 0.0400 M solution of HCI from a concentrated soultion of HCI which is 36.5% HCI and has a density of 1.10 g/mL.

    asked by Lu
  26. algebra

    I just need to know if my work is correct. I am working in Excel and I need to find the formula for the expense Wages. I am not sure if wages consists of the gross pay or the net pay. Does anyone have any suggestions what it might be? I was thinking it

    asked by Excel
  27. Chemistry

    What is the pH of a 2.62 x 10^-1 HCN solution? The pKa for HCN = 9.212 I don't know whether to use the Henderson Hasselbalch Equation or just convert pKa to Ka and work it out that way.

    asked by Michael
  28. Corporate Finance

    Electronic Timing Inc (ETI) is a small company founded 15 years ago by electronic engineers Tom Miller and Jessica Kerr. EIT manufactures integrated circuits to capitalize on the complex nixed-signal design technology and has recently entered the market

    asked by Khulood
  29. Math

    What is the product of a multiplication sentence?

    asked by Dominic
  30. Chemistry

    I have no idea what to do here.... What is the pH for the solution made from 11.10 mL of 0.2780 M NaOH solution mixed with 70.20 mL of 0.1300 M ammonium chloride solution? Note that the pKa for NH4+ is 9.241

    asked by Michael
  31. Math

    Given the functions f and g below, what is (f o g)(11)? f(x) = x − 20 g(x) = (x − 3)2

    asked by Thomas
  32. math

    a train is moving at 40km/hr and rain is falling at 10km/hr find velocity of rain relative to train

    asked by ahmed
  33. mat/116

    -4 -3y>11

    asked by laure
  34. Micro Economics

    Externalities are third party consequence of some other action. They can be positive or negative externalities and they impose a benefit or cost to a third party. Identify a positive and a negative externality. Discuss the benefits and costs associated

    asked by Ashley
  35. Chemistry

    If you have 100 L of methane gas how many liters of carbon dioxide can you produce when you burn the gas?

    asked by Kayla
  36. algebra

    Radical and Rational Exponent find roots square roots of 12a^3/25=6a^3 -3-square roots 18/-6=-1 check this for me it find the roots of the problem.

    asked by JohnJ
  37. algebra

    Radical and Rational Exponent find roots square roots of 12a^3/25=6a^3 -3-square roots 18/-6=-1 check this for me it find the roots of the problem.

    asked by JohnJ
  38. English

    Can you help me check these sentences, please? Thank you very much in advance. 1) The new factor in the Canterbury Tales is that there is individualization (?) . THe character exists because he has reactions and is in movement. 2) His individualization (?)

    asked by Franco
  39. math

    write a number pattern for 8 starfish if each of them have 5 arms.

    asked by eric
  40. carpentry

    if the radious of the circle 14 feet 7 inches and the height 22 ft 4 in what the voulme of 72 arc

    asked by avery brown
  41. math word problem

    I have no clue as to how to tackle this problem. Two standard six-sided dice are rolled. The product of their outcomes is computed. Which of the following numbers is most likely to occur? 4 6 7 8

    asked by M.A.
  42. Computer Science

    What do you understand by life cycle of software development? Explain briefly the various stages of software development life-cycle.

    asked by Vince
  43. Computer Science

    What do you understand by life cycle of software development? Explain briefly the various stages of software development life-cycle.

    asked by Vince
  44. Computer Science

    What do you understand by life cycle of software development? Explain briefly the various stages of software development life-cycle.

    asked by Vince
  45. Math

    The probability that a school bus is late is 0.04. How many times would you expect the bus to be late in a 5-week period?

    asked by Thomas
  46. math

    Given the midpoint (8,14) and endpoint (-9,-1), find the other endpoint

    asked by ann
  47. finance

    Kim and Dan Bergholt are both government workers. They are considering purchasing a home in the Washington D.C. area for about $280,000. They estimate monthly expenses for utilities at $220, maintenance at $100, property taxes at $380, and home insurance

    asked by mee
  48. Cost Accounting

    What are the differences between a direct cost and an indirect cost? Which is the more difficult cost to track? Why? How do indirect costs affect the cost of a product? Should indirect costs be included in product cost? Why or why not?

    asked by Angie
  49. Cost Accounting

    What are the differences between job-cost and process-cost systems? When would it be appropriate to use each type of system? How does each system affect the cost of a product?

    asked by Angie
  50. algebra

    4-2y=7y+13 then y =?

    asked by Randy Jackson
  51. ART

    I have a 14k thimble with a SC mark inside a rectangle and a anchor next to it. Does anybody knows about this markings? I'll appreciate if you give me some info. Thank you.

    asked by CARMEN
  52. high school

    How did the defeat of the spanish armada by england in 1588 enable other european nations to build their new empires in the new world?

    asked by tj
  53. Math

    FiberType HighCalorie LowCalori Totals High Fiber 18 4 22 Medium Fiber 23 6 29 Low Fiber 12 21 33 Totals 53 31 84 3. What is the probability that a cereal would both high calorie and high fiber? In other words, what is P(high calorie and high fiber)? 4.

    asked by Molly
  54. Science

    Winds in the Northern Hemisphere curve to the right and winds in the Southern Hemisphere curve to the left. This is known as the a. Jet Stream b. Wind c. Weather Pattern d. Coriolis Effect

    asked by TREVOR
  55. math

    How do I do this 4x +3= 2x+11

    asked by hannah
  56. Chemistry

    I have a balloon that contains 22 grams of Carbon dioxide. The barometric pressure is 1019 millibars which I converted to 1.006 Atm and the temperature is 299 "K". What is the volume of balloon? I used the ideal gas law to find out the volume in liters of

    asked by JamieLyn
  57. Chemistry

    Approximately 1.5 10-3 g of iron(II) hydroxide, Fe(OH)2(s) dissolves per liter of water at 18°C. Calculate Ksp for Fe(OH)2(s) at this temperature. This is what I've done: 1.5x10^-3 g Fe(OH)2/L x 1mol Fe(OH)2/89.863g Fe(OH)2 = 1.669x10^-5 M Fe(OH)2 Fe(OH)2

    asked by Jakob
  58. math URGENT PLEASE HELP

    can you please explain this question to me for part b i get t=0.7 by trial and error and 0.6 percent of the population but im sure theres a more exact way to do it (a) A chemical process produces NaCI at the rate 3.Jtgrams per minute. (i) What is the rate

    asked by jessie
  59. biology

    how is emigration and immigration not important factors when studying global human population growth?

    asked by kc
  60. Chem

    Can someone explain how to do this problem? For the equilibrium reation below, 288g of liquid water and 448 g of carbon monoxide are placed in an 8.00 liter container and heated to 900 K. If the value of K_c for the reaction at 900 K is 1.56, what are the

    asked by Anonymous
  61. East hem.

    When did Rome become a republic?

    asked by Cristina
  62. college algebra

    3y^2+8=0 (3y+2)+(3y-2)=8+0 3y=-8 y=3/8 Radical and Rational Exponent this chapter is hard for me.

    asked by JohnJ
  63. poetry

    i need help on thinking of a acrostic poem for DOLPHIN.

    asked by maddie
  64. Physics

    A skier of mass 64 kg starts from rest at the top of an 18° slope, points her skis straight down the slope and lets gravity pull her down the slope. The slope is 65 m long. Her speed at the bottom is 15 m/s. (a) Assuming zero air resistance, what is the

    asked by MD
  65. science

    what is an element, a compound and a mixture ?

    asked by shahana
  66. English

    Thank you very much for your help. I still have problems with a few sentence. I hope you can have a look at them too. 1)Can't I switch from the present to the past if I want to refer to a historical event? 2) Do not use contracter forms when writing your

    asked by Franco
  67. College Chemistry

    For my homework I got this problem that my professor never went over in class how to do it and I don't know how to interpret it. A chemist runs a second order reaction of A->B starting at 10mili moles/L concentration of A (and no B). After one hour the

    asked by Michelle
  68. Math

    Can scalene triangles ever be similar?

    asked by Hannah
  69. chemistry

    what is the sorce of van der waals forces?

    asked by chicken littell
  70. Math

    Restriction on variable in a denominator If the expression - 9t+1/ -5t +7

    asked by Anonymous
  71. college chemistry

    How much heat is needed to convert 2.00 kg of liquid ammonia at -40.0 oC to its vapor at -11.0 oC? The specific heat of liquid ammonia, NH3 (l), is 4.70 J/g-K and that of the vapor NH3 (g), is 2.20 J/g-K. The enthalpy of vaporization of ammonia is 23.3

    asked by pamela
  72. math

    EF is a median of isosceles trapezoid ABCD. Find EF if AB is equal to 3 inches, and CD is equal to 11 inches.

    asked by sylvia
  73. chemistry

    Why must a balanced chemical equation be used when determining Keq?

    asked by sara johnson
  74. reading

    in the story the dog of Pompeii. The questions says the author muses that tito becomes a famous friend to and healer of animals. How is that idea an extension of the storys theme?

    asked by hunter
  75. reading

    the story the dog pompeii the author uses much of the story to describe the wealth and beauty of Pompeii. the story ends with scientists amazed at finding an ordinary dog with a raisin cake. How do these two different story elements relate to the theme?

    asked by hunter
  76. Math

    How do i solve this system algebraicly? 3x + 8y = 16 5x + 10y = 25

    asked by Chris
  77. chemistry

    How are the formation of aqueous solutions of sodium chloride and sucrose similar?

    asked by Jennie
  78. college algebra

    Radical and Rational Exponent find roots square roots of 12a^3/25=6a^3 -3-square roots 18/-6=-1 this is my answer am I right. check this for me it find the roots of the problem

    asked by JohnJ
  79. Math

    Which of the following is an example of a ratio? number of dogs who like Good boy treats number of chocalates per bag number of people who like math all of the above Please help

    asked by Anne
  80. algebra

    -3square root 18 over-6= -1 Radical and Rational exponent check this for me please see if it right.

    asked by Elaine
  81. 9th grade

    y=6-2x 7x-y=3

    asked by trey
  82. statistics

    if Z is a standard normal variable, find the probability. the probability that z lies between -2.41 and 0

    asked by shasha
  83. science

    How can an animals structure help survive in different environments? give three examples

    asked by bob
  84. math

    square root of x+4-2square x-1=-1 could help me please.

    asked by Gregory
  85. Physics

    What causes the restoring force in a simple pendulum? A. friction between the thread and the support B. the force exerted on the pendulum bob while displacing it from the mean position C. the component of the weight of the bob acting perpendicular to the

    asked by Rachel
  86. Macro economics

    1)Robert received a $100 gift certificate to a bookstore a year ago. The economy has been in an inflationary period for the last year. This gift certificate is A. not expressed in either real or nominal terms since it is not money. B. adjusted in terms of

    asked by Sue
  87. english

    how do i express sighing by using punctuations instead of using the word "sigh", or is there any other way to do it beside punctuation

    asked by flame
  88. economics

    1)Robert received a $100 gift certificate to a bookstore a year ago. The economy has been in an inflationary period for the last year. This gift certificate is A. not expressed in either real or nominal terms since it is not money. B. adjusted in terms of

    asked by Sue
  89. physics

    You are pushing a 55 N lawnmower across the the yard. Its handle makes a 55 degree angle with the ground. What force are you exerting on the handle?

    asked by Jesse
  90. chemistry!

    an aqueous solution of calcium chloride boils at 101.3 degrees Celsius. How many kilograms of calcium chloride were dissolved in 1000.0 g of the solvent??

    asked by Ana
  91. math

    Shantel and Kwamie are planning to buy their first home

    asked by kdshakjah
  92. math

    how do you solve these 1. 7d-2+5=20 2. 4x-10x=28 3. -4x-10x+28 4. 8y-3y+6= -10 5. 9+4w-6=12 6. 9w+4-6=12 7.18m-6-m=-16 8. -6r-r-13=-18

    asked by Sara!
  93. science

    whatis the mass of a electromanetic roller coaster?the weight?

    asked by brittney
  94. math

    Given the functions f and g below, what is (f o g)(11)? f(x) = x − 20 g(x) = (x − 3)2

    asked by CB
  95. math

    Two cards are randomly drawn from a standard deck without replacing the card after the first draw. Find the probability of drawing a spade followed by a heart. Please type your answer as a fraction. Do not forget to reduce if needed!

    asked by CB
  96. geography / 8 grade

    Recentely, Russian troops fought which rebellions ethnic group ? The soviet Union . correct?

    asked by natalie
  97. chemistry

    What effect does bending, stress, or machining have on the tendency of iron to corrode? 

    asked by chase
  98. Health

    what are the disadvantages of using master patient indexs(MPI)? both manual MPI and automated MPI

    asked by Anonymous
  99. chemistry

    How does (a) copper and (b) zinc affect the corrosion rate of iron?  How could this knowledge about iron and corrosion help you as a consumer or home owner? 

    asked by chase
  100. Math

    Paul is 12. His father is 33. How many years ago was the father 4 times as old as the son?

    asked by Zak
  101. science

    s it possible for seismologist to know for sure that an earthquake or volcanic eruption will not occur in a particular area? And why

    asked by Rachel
  102. Algebra II

    An investment service promises to triple your money in 12 years. Assuming continuous compounding of interest, what rate of interest is needed? For the question is it asking me if simple interest or continuously compounded interest is needed? Or Is it

    asked by Anonymous
  103. chemistry

    What is the concentration of OH– ions formed when 40.0 g of NaOH is dissolved in 250 mL H2O?

    asked by anonymous
  104. criminal law/ college

    I need to identify the bail sytem beneficiaries and what are some recommendations for the future of the bail system

    asked by nette28
  105. Vectors

    Could you please help me solve this question: Solve this system of equations using elementary operations. 1. x/3 + y/4 + z/5 =14 2. x/4 + y/5 + z/3 =-21 3. x/5 + y/3 + z/4 =7 So far, I have multiplied all three equations by 60, to turn them into whole

    asked by Darren
  106. physics

    for both of these object system1: earth and ball if a ball is falling down, is the work done on it positive since force and displacement are in the same direction. system 2: earth and basket a basket is tied to a rope and is dropped then come to a full

    asked by eng
  107. Math

    Given A=(1/2)(h)(a+b) Find: a. A if h=25, a=15, b=42 b. h if A=260, a=8, b=5 c. a if A=322, h=14, b=15 d. b if A=448, h=16, a=25 This makes no sense to me whatsoever. Please clarify as to what I'm supposed to do? Thank you very much!

    asked by John
  108. physics - leg cast

    The leg and cast in the figure below weigh 280 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 105 N. Determine the weight w2 and the angle α needed so that no force is exerted on the hip joint by the

    asked by lau
  109. chem

    Calculate the boiling point elevation of a solution containing 50.0 g of glucose dissolved in 500.0 g of water? We just started learning about this and i don't get it!

    asked by jess
  110. chemistry

    how many liters of hydrogen gas measured at 1.05 atm and negative 25 degrees will be produced when 5.00 grams of magnesium metal is dropped into excess hydrochloric acid?

    asked by sss
  111. economic

    1)Robert received a $100 gift certificate to a bookstore a year ago. The economy has been in an inflationary period for the last year. This gift certificate is A. not expressed in either real or nominal terms since it is not money. B. adjusted in terms of

    asked by Sue
  112. chemistry

    what volume of O2 at STP is needed to react with 4.52 g of K

    asked by chris
  113. algebra 2

    Mildred sold magazine subscriptions with three prices: $22, $18, and $15. She sold 2 fewer of the $22 subscriptions than of the $18 subscriptions and sold a total of 33 subscriptions. If her total sales amounted to $591, how many $15 subscriptions did

    asked by Anonymous
  114. math

    1.15j-10+8=11 2. 18m-6-m=-16 3.18m-6m-1=-16

    asked by Sara!
  115. math

    The length of a rectangle is 7 cm more than its width. The area of the rectangle is 120 sq. cm. What is the width of the rectangle?

    asked by CB
  116. world history

    what nation became an imperial power in east asia

    asked by amy
  117. economics

    1)Robert received a $100 gift certificate to a bookstore a year ago. The economy has been in an inflationary period for the last year. This gift certificate is A. not expressed in either real or nominal terms since it is not money. B. adjusted in terms of

    asked by sue
  118. Math

    solve this system algebraicly a- 2/3b =4 3/5a +b=15

    asked by kyle
  119. geometry

    if the measure of one angle of an isosceles triangle is 92 degrees. what is the measure of either of remaining angles

    asked by chantel
  120. algebra 2

    Graph f(x)= 1/5x+3.

    asked by Anonymous
  121. writing skills 1

    what is the name of the common error in the sentences

    asked by derek
  122. math

    are my answers right 1.8y-3-6=-10 x=-1 5/8 2. 7d-2+5=20 d=2 3/7

    asked by Sara!
  123. physics

    if a piston is insulated and being pushed, is the temperature increased

    asked by bme1
  124. algebra

    square roots 12a^3/25 equal what it radical and rational exponent

    asked by Gregory
  125. chemistry

    what is the molarity of a solution, if 12.0 g of KCl is dissolved into 500mL of H20

    asked by Anonymous
  126. physics

    if the system is a basket, the basket is tied to a rope and it is stopped by a fixed clamp when it is falling down, I know there is initial KE but how come initial work is negative. Isnt force and displacement are in the same direction, so work should be

    asked by eng
  127. math

    can you please explain this question to me for part b i get t=0.7 by trial and error and 86 percent of the population but im sure theres a more exact way to do it (a) A chemical process produces NaCI at the rate 3t^1/2 grams per minute. (i) What is the

    asked by jessie urgent please
  128. Chemistry

    Is Glucose soluble in HCl, NaOH and NaHCO3 because it's soluble in water? - I put soluble for all because it dissolves in water. Is p-toluidine soluble in HCl, NaOH, and NaHCO3? I put soluble in HCl, insoluble in NaOH and insoluble in NaHCO3. Is benzoic

    asked by Alex
  129. To Ms. Sue

    Ms. Sue this is the A-Z story which I have been working on a few days ago. Finally it has been completed, and I would like you to edit it for me. I think that I have started it out well, but my ending bits are weird. I'll appreciate all the help you could

    asked by Sara
  130. physics(check my answers)

    in a piston is locked in place and the cylinder is placed in a boiling water, the temperature, pressure, internal energy are all increase if a piston is being pushed inward, would it have the same answer as above

    asked by bme1
  131. English

    why does Harper Lee use humorous tone in to kill a mokingbird

    asked by Margarett
  132. Science

    What is the pH of a 2.62 x 10^-2 M HBr solution? thanks

    asked by Andy
  133. algebra 2

    Write a polynomial function that has the zeros 2, -2, and -1 and has a leading coefficient of 1. Then graph the function to show that 2, -2, and -1 are solutions.

    asked by danni
  134. Math

    A rectangle has one side of 3 feet and a diagonal of 3.28 ft. What is the area of the rectangle? No Pythagorean Theorem.

    asked by Ron
  135. Honors Chemistry

    If the percent (mass/mass) for a solute is 20% and the mass of the solution is 300 g, what is the mass of the solute in solution?

    asked by Emily
  136. stats. plz help i have exams in two days!

    find the indicated prob.: the amount of snowfall falling in a certain mountain range is normally distributed with a mean of 86 inches, and a standard deviation of 12 inches. what is the probability that the mean annual snowfall during 36 randomly picked

    asked by shasha
  137. Pre-Algebra

    what is the solution for this problem? 1 + 1/1+ 1/x-1/1/1 – 1/x+1

    asked by Ike
  138. stats

    a study of the amount of time it takes a mechanic to rebuild the transmission of a 1992 chevrolet cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. if 40 mechanics are randomly selected, find the probability that their mean

    asked by shasha
  139. chemistry

    Under what conditions might a chemist describe a solution in terms of molality? Why??

    asked by lola
  140. Chem

    Is sodium benzoate soluble in HCl? I put yes What about NaOH? It's supposed to be created from a reaction with benzoic acid and NaOH What about NaHCO3? And aq. sodium benzoate plus HCl? And aq. sodium benzoate plus NaOH?

    asked by Alex
  141. Math please plaese helpppp

    how do you solve this system algebraicly a- 2/3b =4 3/5a +b=15

    asked by kyle
  142. math

    what is a polynomial with a single root at x=-5 and a triple root at x=3

    asked by alex
  143. English

    Give four characteristics of standard English.

    asked by Betty
  144. math

    $2700 at 9% interest compounded quarterlyfor 4 years

    asked by brittany
  145. chemistry

    Why are the published values of the boiling points of substances always taken at 1 atm?

    asked by Ariana
  146. chemistry

    under water where the temperature is 17c and the pressure is 394kpa,a diver inhales 1L of air from his scuba tank how many moles of gas are in his lungs?

    asked by john
  147. geometry

    How do I find the surface area of a spere with a radius of 8cm

    asked by billy
  148. chemistry

    Why are the published values of the boiling points of substances always taken at 1 atm?

    asked by Ariana
  149. Algebra 2

    solve x squared - 10x+29=0

    asked by Danielle
  150. chem help!!

    What effect does bending, stress, or machining have on the tendency of iron to corrode?

    asked by lauren
  151. algebra 2

    find the sum of the first 24 terms of the arithmetic sequence, if the first term is 3 and the commom difference is 3.

    asked by Anonymous
  152. English

    We sat _________ the campfire. (Would you let me know suitable expressions for the blank?)

    asked by rfvv
  153. ART - Carmen

    About the thimble you described, please look at the maker's mark on the right: http://home.comcast.net/~brl/thimbles/stern.jpg Sra

    asked by SraJMcGin
  154. math

    Write a word using capital letters. Your word needs to have 5 acute,2obtuse, and 5 right angles

    asked by AIDEN
  155. English

    In Romeo and Juliet, why did Romeo choose poison instead of a dagger on himself when he found out that Juilet was "dead"? I can figure out that money was what poisoned the Capulets and Montagues. So he would like to buy poison from the apothecary even if

    asked by Kendry
  156. math

    A certain number changes from 200 to 900 within three hours find the vaulue of k using the formula n times e raised to k times t

    asked by Jason
  157. algebra

    x/2-1/3=5

    asked by Anonymous
  158. chemistry

    identify the oxidizing agent and the reducing agent in the following reaction: C + 2Clsub2 > CClsub4

    asked by amy
  159. MGT/216

    I need a historical example of an ethical dilemma that deals with global business. All examples appreciated!?

    asked by Sam
  160. geography

    Where areas are heavily populated around the world and why? can you help me please? thank you

    asked by natalie
  161. algebra 2

    a rectangle has an area of ( x3+x2-10x+8) square meters, and a width of (x+4) meters. Find its length.

    asked by Anonymous
  162. math

    500 acres of land costs 800 dollars and every year there is a three percent increase in price then it gives the end cost was one thousand. it asks for the equation using v=p(1+r) raised to the n power

    asked by Jason
  163. WRITING

    Some say that texting on a cell phone is a bad thing for students focus, but their is a simple thing we can do is by having the teachers go around the classroom to see if students are texting. how can i fix this run-on sentence

    asked by LAUREN
  164. Algebra 2

    solve one ninth = 27^3x-5.

    asked by Maria
  165. 8th grade Composition

    Identify parts of Speech for sentence below, on numbered word: 1 2 3 Before the eruption, Mount St.Helena was 4 like a giant pressure cooker.

    asked by Matthew
  166. English

    How ofen do you read the newspaper? I read it every day. (Does the answer mean 'I read the same newspaper every day,' or 'I read a newspaper every day.' Was 'the newspaper' writen in generic use or not?)

    asked by rfvv
  167. tci college

    A brick undergoes a free fall from rest. Its initial height is 125 m above the ground. How long does it take to hit the ground? What is its maximum velocity before it makes impact? For ease of calculations, the magnitude of the acceleration of gravity is

    asked by tommy smith
  168. college

    In 1990, the life expectancy of males in a certain country was 62.1 years, it was 65.3 years. Let E represent life expectancy in year T and let t represent the number of years since 1990.

    asked by Jesse
  169. English

    how many different ways can a play be staged?

    asked by Anonymous
  170. math

    In 1990, the life expectancy of males in a certain country was 62.1 years, it was 65.3 years. Let E represent life expectancy in year T and let t represent the number of years since 1990. E(t)= [ ]t+[] use the function to predict the life expectancy of

    asked by Jesse
  171. english

    why is is "better late than never," rather than "better late then never?"

    asked by lena
  172. Masters level finance

    I am having a problem figuring out this problem. I understand the concept of depreciation and it occurs on non cash items over a period of time. However, there are no cash items to depreciate in this problem. Given the following information for O'Hara

    asked by Candis